A few days ago, Irix 15mm f/2.4 lens was announced for Canon EF and Nikon F mounts. Now, according to the latest rumors from SR5, a new Irix 11mm f/4.0 lens is coming! This new lens is also available for Sony E-mount.
Here is an interview with Irix:
Irix 11mm F4 lens is expected to be announced late this year.